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                    闭包
            
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                    箭头函数
            
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                    Promise
            
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                    generator
            
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                    Proxy
            
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                    正则表达式
            
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                    对象的扩展
            
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                    原型继承
            
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                    class继承
            
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                    模块化Module
            
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                    异常处理
            
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                    编程风格
            
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                    js 扩展
            
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                    浏览器
            
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                    浏览器对象
            
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                    操作DOM
            
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                    更新DOM
            
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                    插入DOM
            
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                    删除DOM
            
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                    DOM事件
            
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                    操作表单
            
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                    操作文件
            
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                    AJAX
            
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                    Canvas
            
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                    Jquery
            
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                    选择器
            
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                    层级选择器
            
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                    查找和过滤
            
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                    操作DOM
            
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                    修改DOM结构
            
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                    事件
            
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                    动画
            
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                    AJAX
            
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                    扩展
            
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                    Nodejs
            
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                    模块
            
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                    path
            
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                    文件操作 fs
            
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                    流Stream
            
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                    zlib压缩解压缩
            
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                    net网络
            
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                    http
            
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                    express框架
            
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                    process 进程
            
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                    child_process
            
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                    os-操作系统
            
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                    React
            
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                                <h1 id="&#x4E8B;&#x4EF6;">&#x4E8B;&#x4EF6;</h1>
<p>&#x56E0;&#x4E3A;JavaScript&#x5728;&#x6D4F;&#x89C8;&#x5668;&#x4E2D;&#x4EE5;&#x5355;&#x7EBF;&#x7A0B;&#x6A21;&#x5F0F;&#x8FD0;&#x884C;&#xFF0C;&#x9875;&#x9762;&#x52A0;&#x8F7D;&#x540E;&#xFF0C;&#x4E00;&#x65E6;&#x9875;&#x9762;&#x4E0A;&#x6240;&#x6709;&#x7684;JavaScript&#x4EE3;&#x7801;&#x88AB;&#x6267;&#x884C;&#x5B8C;&#x540E;&#xFF0C;&#x5C31;&#x53EA;&#x80FD;&#x4F9D;&#x8D56;&#x89E6;&#x53D1;&#x4E8B;&#x4EF6;&#x6765;&#x6267;&#x884C;JavaScript&#x4EE3;&#x7801;&#x3002;</p>
<p>&#x6D4F;&#x89C8;&#x5668;&#x5728;&#x63A5;&#x6536;&#x5230;&#x7528;&#x6237;&#x7684;&#x9F20;&#x6807;&#x6216;&#x952E;&#x76D8;&#x8F93;&#x5165;&#x540E;&#xFF0C;&#x4F1A;&#x81EA;&#x52A8;&#x5728;&#x5BF9;&#x5E94;&#x7684;DOM&#x8282;&#x70B9;&#x4E0A;&#x89E6;&#x53D1;&#x76F8;&#x5E94;&#x7684;&#x4E8B;&#x4EF6;&#x3002;&#x5982;&#x679C;&#x8BE5;&#x8282;&#x70B9;&#x5DF2;&#x7ECF;&#x7ED1;&#x5B9A;&#x4E86;&#x5BF9;&#x5E94;&#x7684;JavaScript&#x5904;&#x7406;&#x51FD;&#x6570;&#xFF0C;&#x8BE5;&#x51FD;&#x6570;&#x5C31;&#x4F1A;&#x81EA;&#x52A8;&#x8C03;&#x7528;&#x3002;</p>
<p>&#x7531;&#x4E8E;&#x4E0D;&#x540C;&#x7684;&#x6D4F;&#x89C8;&#x5668;&#x7ED1;&#x5B9A;&#x4E8B;&#x4EF6;&#x7684;&#x4EE3;&#x7801;&#x90FD;&#x4E0D;&#x592A;&#x4E00;&#x6837;&#xFF0C;&#x6240;&#x4EE5;&#x7528;jQuery&#x6765;&#x5199;&#x4EE3;&#x7801;&#xFF0C;&#x5C31;&#x5C4F;&#x853D;&#x4E86;&#x4E0D;&#x540C;&#x6D4F;&#x89C8;&#x5668;&#x7684;&#x5DEE;&#x5F02;&#xFF0C;&#x6211;&#x4EEC;&#x603B;&#x662F;&#x7F16;&#x5199;&#x76F8;&#x540C;&#x7684;&#x4EE3;&#x7801;&#x3002;</p>
<p>&#x4E3E;&#x4E2A;&#x4F8B;&#x5B50;&#xFF0C;&#x5047;&#x8BBE;&#x8981;&#x5728;&#x7528;&#x6237;&#x70B9;&#x51FB;&#x4E86;&#x8D85;&#x94FE;&#x63A5;&#x65F6;&#x5F39;&#x51FA;&#x63D0;&#x793A;&#x6846;&#xFF0C;&#x6211;&#x4EEC;&#x7528;jQuery&#x8FD9;&#x6837;&#x7ED1;&#x5B9A;&#x4E00;&#x4E2A;<code>click</code>&#x4E8B;&#x4EF6;&#xFF1A;</p>
<pre><code class="lang-javascript"><span class="hljs-comment">/* HTML:
 *
 * &lt;a id=&quot;test-link&quot; href=&quot;#0&quot;&gt;&#x70B9;&#x6211;&#x8BD5;&#x8BD5;&lt;/a&gt;
 *
 */</span>

<span class="hljs-comment">// &#x83B7;&#x53D6;&#x8D85;&#x94FE;&#x63A5;&#x7684;jQuery&#x5BF9;&#x8C61;:</span>
<span class="hljs-keyword">var</span> a = $(<span class="hljs-string">&apos;#test-link&apos;</span>);
a.on(<span class="hljs-string">&apos;click&apos;</span>, <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{
    alert(<span class="hljs-string">&apos;Hello!&apos;</span>);
});
</code></pre>
<p><code>on</code>&#x65B9;&#x6CD5;&#x7528;&#x6765;&#x7ED1;&#x5B9A;&#x4E00;&#x4E2A;&#x4E8B;&#x4EF6;&#xFF0C;&#x6211;&#x4EEC;&#x9700;&#x8981;&#x4F20;&#x5165;&#x4E8B;&#x4EF6;&#x540D;&#x79F0;&#x548C;&#x5BF9;&#x5E94;&#x7684;&#x5904;&#x7406;&#x51FD;&#x6570;&#x3002;</p>
<p>&#x53E6;&#x4E00;&#x79CD;&#x66F4;&#x7B80;&#x5316;&#x7684;&#x5199;&#x6CD5;&#x662F;&#x76F4;&#x63A5;&#x8C03;&#x7528;<code>click()</code>&#x65B9;&#x6CD5;&#xFF1A;</p>
<pre><code class="lang-javascript">a.click(<span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{
    alert(<span class="hljs-string">&apos;Hello!&apos;</span>);
});
</code></pre>
<p>&#x4E24;&#x8005;&#x5B8C;&#x5168;&#x7B49;&#x4EF7;&#x3002;&#x6211;&#x4EEC;&#x901A;&#x5E38;&#x7528;&#x540E;&#x9762;&#x7684;&#x5199;&#x6CD5;&#x3002;</p>
<h3 id="&#x9F20;&#x6807;&#x4E8B;&#x4EF6;">&#x9F20;&#x6807;&#x4E8B;&#x4EF6;</h3>
<p>click: &#x9F20;&#x6807;&#x5355;&#x51FB;&#x65F6;&#x89E6;&#x53D1;&#xFF1B; dblclick&#xFF1A;&#x9F20;&#x6807;&#x53CC;&#x51FB;&#x65F6;&#x89E6;&#x53D1;&#xFF1B; mouseenter&#xFF1A;&#x9F20;&#x6807;&#x8FDB;&#x5165;&#x65F6;&#x89E6;&#x53D1;&#xFF1B; mouseleave&#xFF1A;&#x9F20;&#x6807;&#x79FB;&#x51FA;&#x65F6;&#x89E6;&#x53D1;&#xFF1B; mousemove&#xFF1A;&#x9F20;&#x6807;&#x5728;DOM&#x5185;&#x90E8;&#x79FB;&#x52A8;&#x65F6;&#x89E6;&#x53D1;&#xFF1B; hover&#xFF1A;&#x9F20;&#x6807;&#x8FDB;&#x5165;&#x548C;&#x9000;&#x51FA;&#x65F6;&#x89E6;&#x53D1;&#x4E24;&#x4E2A;&#x51FD;&#x6570;&#xFF0C;&#x76F8;&#x5F53;&#x4E8E;mouseenter&#x52A0;&#x4E0A;mouseleave&#x3002;</p>
<h3 id="&#x952E;&#x76D8;&#x4E8B;&#x4EF6;">&#x952E;&#x76D8;&#x4E8B;&#x4EF6;</h3>
<p>&#x952E;&#x76D8;&#x4E8B;&#x4EF6;&#x4EC5;&#x4F5C;&#x7528;&#x5728;&#x5F53;&#x524D;&#x7126;&#x70B9;&#x7684;DOM&#x4E0A;&#xFF0C;&#x901A;&#x5E38;&#x662F;<code>&lt;input&gt;</code>&#x548C;<code>&lt;textarea&gt;</code>&#x3002;</p>
<p>keydown&#xFF1A;&#x952E;&#x76D8;&#x6309;&#x4E0B;&#x65F6;&#x89E6;&#x53D1;&#xFF1B; keyup&#xFF1A;&#x952E;&#x76D8;&#x677E;&#x5F00;&#x65F6;&#x89E6;&#x53D1;&#xFF1B; keypress&#xFF1A;&#x6309;&#x4E00;&#x6B21;&#x952E;&#x540E;&#x89E6;&#x53D1;&#x3002;</p>
<h3 id="&#x5176;&#x4ED6;&#x4E8B;&#x4EF6;">&#x5176;&#x4ED6;&#x4E8B;&#x4EF6;</h3>
<p>focus&#xFF1A;&#x5F53;DOM&#x83B7;&#x5F97;&#x7126;&#x70B9;&#x65F6;&#x89E6;&#x53D1;&#xFF1B; blur&#xFF1A;&#x5F53;DOM&#x5931;&#x53BB;&#x7126;&#x70B9;&#x65F6;&#x89E6;&#x53D1;&#xFF1B; change&#xFF1A;&#x5F53;<code>&lt;input&gt;</code>&#x3001;<code>&lt;select&gt;</code>&#x6216;<code>&lt;textarea&gt;</code>&#x7684;&#x5185;&#x5BB9;&#x6539;&#x53D8;&#x65F6;&#x89E6;&#x53D1;&#xFF1B; submit&#xFF1A;&#x5F53;<code>&lt;form&gt;</code>&#x63D0;&#x4EA4;&#x65F6;&#x89E6;&#x53D1;&#xFF1B; ready&#xFF1A;&#x5F53;&#x9875;&#x9762;&#x88AB;&#x8F7D;&#x5165;&#x5E76;&#x4E14;DOM&#x6811;&#x5B8C;&#x6210;&#x521D;&#x59CB;&#x5316;&#x540E;&#x89E6;&#x53D1;&#x3002;</p>
<p>&#x5176;&#x4E2D;&#xFF0C;<code>ready</code>&#x4EC5;&#x4F5C;&#x7528;&#x4E8E;<code>document</code>&#x5BF9;&#x8C61;&#x3002;&#x7531;&#x4E8E;<code>ready</code>&#x4E8B;&#x4EF6;&#x5728;DOM&#x5B8C;&#x6210;&#x521D;&#x59CB;&#x5316;&#x540E;&#x89E6;&#x53D1;&#xFF0C;&#x4E14;&#x53EA;&#x89E6;&#x53D1;&#x4E00;&#x6B21;&#xFF0C;&#x6240;&#x4EE5;&#x975E;&#x5E38;&#x9002;&#x5408;&#x7528;&#x6765;&#x5199;&#x5176;&#x4ED6;&#x7684;&#x521D;&#x59CB;&#x5316;&#x4EE3;&#x7801;&#x3002;&#x5047;&#x8BBE;&#x6211;&#x4EEC;&#x60F3;&#x7ED9;&#x4E00;&#x4E2A;<code>&lt;form&gt;</code>&#x8868;&#x5355;&#x7ED1;&#x5B9A;<code>submit</code>&#x4E8B;&#x4EF6;&#xFF0C;&#x4E0B;&#x9762;&#x7684;&#x4EE3;&#x7801;&#x6CA1;&#x6709;&#x9884;&#x671F;&#x7684;&#x6548;&#x679C;&#xFF0C;&#x8FD9;&#x5C31;&#x662F;&#x6211;&#x4EEC;&#x4E4B;&#x524D;&#x63D0;&#x8FC7;&#x95EE;&#x9898;&#xFF0C;&#x5728;<a href="&#x64CD;&#x4F5C;DOM.html">&#x64CD;&#x4F5C;DOM</a>&#x91CC;&#x63D0;&#x8FC7;&#xFF0C;&#x56E0;&#x4E3A;&#x653E;&#x5728;head&#x91CC;&#x7684; js &#x4E0D;&#x4F1A;&#x521D;&#x59CB;&#x5316;&#xFF0C;&#x6240;&#x4EE5;&#x6CA1;&#x6709;&#x751F;&#x6548;&#x3002;</p>
<pre><code class="lang-html"><span class="hljs-tag">&lt;<span class="hljs-name">head</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-name">script</span>&gt;</span><span class="undefined">
        // &#x4EE3;&#x7801;&#x6709;&#x8BEF;:
        $(&apos;#testForm).on(&apos;submit&apos;, function () {
            alert(&apos;submit!&apos;);
        });
    </span><span class="hljs-tag">&lt;/<span class="hljs-name">script</span>&gt;</span>
<span class="hljs-tag">&lt;/<span class="hljs-name">head</span>&gt;</span>
<span class="hljs-tag">&lt;<span class="hljs-name">body</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-name">form</span> <span class="hljs-attr">id</span>=<span class="hljs-string">&quot;testForm&quot;</span>&gt;</span>
        ...
    <span class="hljs-tag">&lt;/<span class="hljs-name">form</span>&gt;</span>
<span class="hljs-tag">&lt;/<span class="hljs-name">body</span>&gt;</span>
</code></pre>
<p>&#x56E0;&#x4E3A;JavaScript&#x5728;&#x6B64;&#x6267;&#x884C;&#x7684;&#x65F6;&#x5019;&#xFF0C;<code>&lt;form&gt;</code>&#x5C1A;&#x672A;&#x8F7D;&#x5165;&#x6D4F;&#x89C8;&#x5668;&#xFF0C;&#x6240;&#x4EE5;<code>$(&apos;#testForm)</code>&#x8FD4;&#x56DE;<code>[]</code>&#xFF0C;&#x5E76;&#x6CA1;&#x6709;&#x7ED1;&#x5B9A;&#x4E8B;&#x4EF6;&#x5230;&#x4EFB;&#x4F55;DOM&#x4E0A;&#x3002;</p>
<p>&#x6240;&#x4EE5;&#x6211;&#x4EEC;&#x81EA;&#x5DF1;&#x7684;&#x521D;&#x59CB;&#x5316;&#x4EE3;&#x7801;&#x5FC5;&#x987B;&#x653E;&#x5230;<code>document</code>&#x5BF9;&#x8C61;&#x7684;<code>ready</code>&#x4E8B;&#x4EF6;&#x4E2D;&#xFF0C;&#x4FDD;&#x8BC1;DOM&#x5DF2;&#x5B8C;&#x6210;&#x521D;&#x59CB;&#x5316;&#xFF1A;</p>
<pre><code class="lang-html"><span class="hljs-tag">&lt;<span class="hljs-name">html</span>&gt;</span>
<span class="hljs-tag">&lt;<span class="hljs-name">head</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-name">script</span>&gt;</span><span class="undefined">
        $(document).on(&apos;ready&apos;, function () {
            $(&apos;#testForm).on(&apos;submit&apos;, function () {
                alert(&apos;submit!&apos;);
            });
        });
    </span><span class="hljs-tag">&lt;/<span class="hljs-name">script</span>&gt;</span>
<span class="hljs-tag">&lt;/<span class="hljs-name">head</span>&gt;</span>
<span class="hljs-tag">&lt;<span class="hljs-name">body</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-name">form</span> <span class="hljs-attr">id</span>=<span class="hljs-string">&quot;testForm&quot;</span>&gt;</span>
        ...
    <span class="hljs-tag">&lt;/<span class="hljs-name">form</span>&gt;</span>
<span class="hljs-tag">&lt;/<span class="hljs-name">body</span>&gt;</span>
</code></pre>
<p>&#x8FD9;&#x6837;&#x5199;&#x5C31;&#x6CA1;&#x6709;&#x95EE;&#x9898;&#x4E86;&#x3002;&#x56E0;&#x4E3A;&#x76F8;&#x5173;&#x4EE3;&#x7801;&#x4F1A;&#x5728;DOM&#x6811;&#x521D;&#x59CB;&#x5316;&#x540E;&#x518D;&#x6267;&#x884C;&#x3002;</p>
<p>&#x7531;&#x4E8E;<code>ready</code>&#x4E8B;&#x4EF6;&#x4F7F;&#x7528;&#x975E;&#x5E38;&#x666E;&#x904D;&#xFF0C;&#x6240;&#x4EE5;&#x53EF;&#x4EE5;&#x8FD9;&#x6837;&#x7B80;&#x5316;&#xFF1A;</p>
<pre><code class="lang-javascript">$(document).ready(function () {
    // on(&apos;submit&apos;, function)&#x4E5F;&#x53EF;&#x4EE5;&#x7B80;&#x5316;:
    $(&apos;#testForm).submit(function () {
        alert(&apos;submit!&apos;);
    });
});
</code></pre>
<p>&#x751A;&#x81F3;&#x8FD8;&#x53EF;&#x4EE5;&#x518D;&#x7B80;&#x5316;&#x4E3A;&#xFF1A;</p>
<pre><code class="lang-javascript">$(<span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{
    <span class="hljs-comment">// init...</span>
});
</code></pre>
<p>&#x4E0A;&#x9762;&#x7684;&#x8FD9;&#x79CD;&#x5199;&#x6CD5;&#x6700;&#x4E3A;&#x5E38;&#x89C1;&#x3002;&#x5982;&#x679C;&#x4F60;&#x9047;&#x5230;<code>$(function () {...})</code>&#x7684;&#x5F62;&#x5F0F;&#xFF0C;&#x7262;&#x8BB0;&#x8FD9;&#x662F;<code>document</code>&#x5BF9;&#x8C61;&#x7684;<code>ready</code>&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x51FD;&#x6570;&#x3002;</p>
<p>&#x5982;&#x679C;&#x4F60;&#x4E0D;&#x60F3;&#x7528;Jquery&#x521D;&#x59CB;&#x5316;&#x4E5F;&#x884C;&#xFF1A;</p>
<pre><code class="lang-javascript"><span class="hljs-built_in">window</span>.onload = <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{ };
</code></pre>
<p>&#x5B8C;&#x5168;&#x53EF;&#x4EE5;&#x53CD;&#x590D;&#x7ED1;&#x5B9A;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x51FD;&#x6570;&#xFF0C;&#x5B83;&#x4EEC;&#x4F1A;&#x4F9D;&#x6B21;&#x6267;&#x884C;&#xFF1A;</p>
<pre><code class="lang-javascript">$(<span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{
    <span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;init A...&apos;</span>);
});
$(<span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{
    <span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;init B...&apos;</span>);
});
$(<span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{
    <span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;init C...&apos;</span>);
});
</code></pre>
<h3 id="&#x4E8B;&#x4EF6;&#x53C2;&#x6570;">&#x4E8B;&#x4EF6;&#x53C2;&#x6570;</h3>
<p>&#x6709;&#x4E9B;&#x4E8B;&#x4EF6;&#xFF0C;&#x5982;<code>mousemove</code>&#x548C;<code>keypress</code>&#xFF0C;&#x6211;&#x4EEC;&#x9700;&#x8981;&#x83B7;&#x53D6;&#x9F20;&#x6807;&#x4F4D;&#x7F6E;&#x548C;&#x6309;&#x952E;&#x7684;&#x503C;&#xFF0C;&#x5426;&#x5219;&#x76D1;&#x542C;&#x8FD9;&#x4E9B;&#x4E8B;&#x4EF6;&#x5C31;&#x6CA1;&#x4EC0;&#x4E48;&#x610F;&#x4E49;&#x4E86;&#x3002;&#x6240;&#x6709;&#x4E8B;&#x4EF6;&#x90FD;&#x4F1A;&#x4F20;&#x5165;<code>Event</code>&#x5BF9;&#x8C61;&#x4F5C;&#x4E3A;&#x53C2;&#x6570;&#xFF0C;&#x53EF;&#x4EE5;&#x4ECE;<code>Event</code>&#x5BF9;&#x8C61;&#x4E0A;&#x83B7;&#x53D6;&#x5230;&#x66F4;&#x591A;&#x7684;&#x4FE1;&#x606F;&#xFF1A;</p>
<pre><code class="lang-javascript">$(<span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{
    $(<span class="hljs-string">&apos;#testMouseMoveDiv&apos;</span>).mousemove(<span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">e</span>) </span>{
        $(<span class="hljs-string">&apos;#testMouseMoveSpan&apos;</span>).text(<span class="hljs-string">&apos;pageX = &apos;</span> + e.pageX + <span class="hljs-string">&apos;, pageY = &apos;</span> + e.pageY);
    });
});
</code></pre>
<h3 id="&#x53D6;&#x6D88;&#x7ED1;&#x5B9A;">&#x53D6;&#x6D88;&#x7ED1;&#x5B9A;</h3>
<p>&#x4E00;&#x4E2A;&#x5DF2;&#x88AB;&#x7ED1;&#x5B9A;&#x7684;&#x4E8B;&#x4EF6;&#x53EF;&#x4EE5;&#x89E3;&#x9664;&#x7ED1;&#x5B9A;&#xFF0C;&#x901A;&#x8FC7;<code>off(&apos;click&apos;, function)</code>&#x5B9E;&#x73B0;:</p>
<p>&#x4F60;&#x53EF;&#x80FD;&#x4F1A;&#x9047;&#x5230;&#x91CD;&#x590D;&#x7ED1;&#x5B9A;&#x4E00;&#x4E2A;&#x70B9;&#x51FB;&#x4E8B;&#x4EF6;&#xFF0C;&#x7136;&#x540E;&#x5C31;&#x4F1A;&#x6709;&#x51B2;&#x7A81;&#xFF0C;&#x6240;&#x4EE5;&#x53EF;&#x4EE5;&#x73B0;&#x89E3;&#x7ED1;&#x7136;&#x540E;&#x518D;&#x8FDB;&#x884C;&#x7ED1;&#x5B9A;&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">hello</span>(<span class="hljs-params"></span>) </span>{
    alert(<span class="hljs-string">&apos;hello!&apos;</span>);
}

a.click(hello); <span class="hljs-comment">// &#x7ED1;&#x5B9A;&#x4E8B;&#x4EF6;</span>

<span class="hljs-comment">// 10&#x79D2;&#x949F;&#x540E;&#x89E3;&#x9664;&#x7ED1;&#x5B9A;:</span>
setTimeout(<span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{
    a.off(<span class="hljs-string">&apos;click&apos;</span>, hello);
}, <span class="hljs-number">10000</span>);
</code></pre>
<p>&#x8FD9;&#x662F;&#x56E0;&#x4E3A;&#x4E24;&#x4E2A;&#x533F;&#x540D;&#x51FD;&#x6570;&#x867D;&#x7136;&#x957F;&#x5F97;&#x4E00;&#x6A21;&#x4E00;&#x6837;&#xFF0C;&#x4F46;&#x662F;&#x5B83;&#x4EEC;&#x662F;&#x4E24;&#x4E2A;<em>&#x4E0D;&#x540C;</em>&#x7684;&#x51FD;&#x6570;&#x5BF9;&#x8C61;&#xFF0C;<code>off(&apos;click&apos;, function () {...})</code>&#x65E0;&#x6CD5;&#x79FB;&#x9664;&#x5DF2;&#x7ED1;&#x5B9A;&#x7684;&#x7B2C;&#x4E00;&#x4E2A;&#x533F;&#x540D;&#x51FD;&#x6570;&#x3002;</p>
<p>&#x4E3A;&#x4E86;&#x5B9E;&#x73B0;&#x79FB;&#x9664;&#x6548;&#x679C;&#xFF0C;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;<code>off(&apos;click&apos;)</code>&#x4E00;&#x6B21;&#x6027;&#x79FB;&#x9664;&#x5DF2;&#x7ED1;&#x5B9A;&#x7684;<code>click</code>&#x4E8B;&#x4EF6;&#x7684;&#x6240;&#x6709;&#x5904;&#x7406;&#x51FD;&#x6570;&#x3002;</p>
<p>&#x540C;&#x7406;&#xFF0C;&#x65E0;&#x53C2;&#x6570;&#x8C03;&#x7528;<code>off()</code>&#x4E00;&#x6B21;&#x6027;&#x79FB;&#x9664;&#x5DF2;&#x7ED1;&#x5B9A;&#x7684;&#x6240;&#x6709;&#x7C7B;&#x578B;&#x7684;&#x4E8B;&#x4EF6;&#x5904;&#x7406;&#x51FD;&#x6570;&#x3002;</p>
<h3 id="&#x4E8B;&#x4EF6;&#x89E6;&#x53D1;&#x6761;&#x4EF6;">&#x4E8B;&#x4EF6;&#x89E6;&#x53D1;&#x6761;&#x4EF6;</h3>
<p>&#x4E00;&#x4E2A;&#x9700;&#x8981;&#x6CE8;&#x610F;&#x7684;&#x95EE;&#x9898;&#x662F;&#xFF0C;&#x4E8B;&#x4EF6;&#x7684;&#x89E6;&#x53D1;&#x603B;&#x662F;&#x7531;&#x7528;&#x6237;&#x64CD;&#x4F5C;&#x5F15;&#x53D1;&#x7684;&#x3002;&#x4F8B;&#x5982;&#xFF0C;&#x6211;&#x4EEC;&#x76D1;&#x63A7;&#x6587;&#x672C;&#x6846;&#x7684;&#x5185;&#x5BB9;&#x6539;&#x52A8;&#xFF1A;</p>
<pre><code>var input = $(&apos;#test-input&apos;);
input.change(function () {
    console.log(&apos;changed...&apos;);
});
</code></pre><p>&#x5F53;&#x7528;&#x6237;&#x5728;&#x6587;&#x672C;&#x6846;&#x4E2D;&#x8F93;&#x5165;&#x65F6;&#xFF0C;&#x5C31;&#x4F1A;&#x89E6;&#x53D1;<code>change</code>&#x4E8B;&#x4EF6;&#x3002;&#x4F46;&#x662F;&#xFF0C;&#x5982;&#x679C;&#x7528;JavaScript&#x4EE3;&#x7801;&#x53BB;&#x6539;&#x52A8;&#x6587;&#x672C;&#x6846;&#x7684;&#x503C;&#xFF0C;&#x5C06;<strong><em>&#x4E0D;&#x4F1A;</em></strong>&#x89E6;&#x53D1;<code>change</code>&#x4E8B;&#x4EF6;&#xFF1A;</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">var</span> input = $(<span class="hljs-string">&apos;#test-input&apos;</span>);
input.val(<span class="hljs-string">&apos;change it!&apos;</span>); <span class="hljs-comment">// &#x65E0;&#x6CD5;&#x89E6;&#x53D1;change&#x4E8B;&#x4EF6;</span>
</code></pre>
<p>&#x6709;&#x4E9B;&#x65F6;&#x5019;&#xFF0C;&#x6211;&#x4EEC;&#x5E0C;&#x671B;&#x7528;&#x4EE3;&#x7801;&#x89E6;&#x53D1;<code>change</code>&#x4E8B;&#x4EF6;&#xFF0C;&#x53EF;&#x4EE5;&#x76F4;&#x63A5;&#x8C03;&#x7528;&#x65E0;&#x53C2;&#x6570;&#x7684;<code>change()</code>&#x65B9;&#x6CD5;&#x6765;&#x89E6;&#x53D1;&#x8BE5;&#x4E8B;&#x4EF6;&#xFF1A;</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">var</span> input = $(<span class="hljs-string">&apos;#test-input&apos;</span>);
input.val(<span class="hljs-string">&apos;change it!&apos;</span>);
input.change(); <span class="hljs-comment">// &#x89E6;&#x53D1;change&#x4E8B;&#x4EF6;</span>
</code></pre>
<p><code>input.change()</code>&#x76F8;&#x5F53;&#x4E8E;<code>input.trigger(&apos;change&apos;)</code>&#xFF0C;&#x5B83;&#x662F;<code>trigger()</code>&#x65B9;&#x6CD5;&#x7684;&#x7B80;&#x5199;&#x3002;</p>
<p>&#x4E3A;&#x4EC0;&#x4E48;&#x6211;&#x4EEC;&#x5E0C;&#x671B;&#x624B;&#x52A8;&#x89E6;&#x53D1;&#x4E00;&#x4E2A;&#x4E8B;&#x4EF6;&#x5462;&#xFF1F;&#x5982;&#x679C;&#x4E0D;&#x8FD9;&#x4E48;&#x505A;&#xFF0C;&#x5F88;&#x591A;&#x65F6;&#x5019;&#xFF0C;&#x6211;&#x4EEC;&#x5C31;&#x5F97;&#x5199;&#x4E24;&#x4EFD;&#x4E00;&#x6A21;&#x4E00;&#x6837;&#x7684;&#x4EE3;&#x7801;&#x3002;</p>

                                
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